What does HRESULT 0x00040246 (VFW_S_CONNECTIONS_DEFERRED) mean?

Status / error code:

Category:

Constant name:

Source:

Facility:

Operating System:

Description:

VFW_S_CONNECTIONS_DEFERRED reports that DirectShow deferred one or more graph connections for later resolution instead of treating them as final failures.

Previous	Next
VFW_S_SOME_DATA_IGNORED	VFW_S_RESOURCE_NOT_NEEDED

VFW_S_CONNECTIONS_DEFERRED

DirectShow deferred failed graph connections

VFW_S_CONNECTIONS_DEFERRED is HRESULT 262726 (0x00040246) from Video for Windows. The documented description is “Some connections have failed and have been deferred.” The high-order severity bit is clear, so this is a success result, but it carries more information than plain S_OK.

Some connections in a persistent graph could not be made immediately and were deferred for later graph-building work.

State to verify

The central question is whether deferred pins are tracked explicitly and the application does not assume the graph is ready for playback.

Where the result is encountered

This result can appear in loading saved filter graphs; record the producing interface and method.
It can appear in reconnecting filters whose media types depend on runtime discovery; record the producing interface and method.
It can appear in graphs with optional or temporarily unavailable components; record the producing interface and method.

Evidence to preserve

Preserve each disconnected pin pair.
Preserve saved and negotiated media types.
Preserve missing filter CLSIDs.
Preserve deferred connection order.
Preserve final graph topology before Run.

Diagnostic sequence

Capture the raw HRESULT 0x00040246 immediately after the returning method and record whether the caller used SUCCEEDED, FAILED, equality testing, or exception translation.
Verify the method-specific state: deferred pins are tracked explicitly and the application does not assume the graph is ready for playback.

Correct handling, retry, and recovery

Attempt deferred connections after required filters and media types are available. If they remain unresolved, classify the resulting graph as partial or failed according to stream requirements.

Practical validation scenario

A saved capture graph loads before its device filter finishes initialization. The loader records deferred pin pairs, waits for the device, reconnects them, and verifies all required streams before starting capture.

Difference from nearby HRESULT values

VFW_S_PARTIAL_RENDER reports the final mixed rendering result; it reports an intermediate persistence/reconnection condition.

References

Looking for a different code? Search another status or error code.